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BCS-8
BCM (BODY CONTROL MODULE)
Revision: November 20092006 QX56
CAN Communication System DescriptionEKS00D7X
Refer to LAN-26, "CAN COMMUNICATION" .
Power supply [ignition (IGN)/retained
accessory power (RAP)] to power win-
dow and sunroof IGN/RAP supply
Power supply to power window and
sunroof system
Power supply (BAT) to power window
and sunroof Battery power supply Power supply to power window and
sunroof system
Panic alarm
Key switch
Remote keyless entry receiver (keyfob) IPDM E/R
Auto light system
Optical sensor
Combination switch IPDM E/R
Battery saver control
Ignition switch
Combination switch
Front door switch LH and RH IPDM E/R
Headlamp Combination switch IPDM E/R
Tail lamp Combination switch IPDM E/R
Front fog lamp Combination switch IPDM E/R
Turn signal lamp Combination switch
Turn signal lamp
Combination meter
Hazard lamp Hazard switch
Turn signal lamp
Combination meter
Room lamp timer
Key switch
Remote keyless entry receiver (keyfob)
Main power window and door lock/unlock switch
Front door lock assembly LH (key cylinder switch)
All door switches Interior room lamp
Key warning chime
Key switch
Front door switch LH Combination meter (warning
buzzer)
Light warning chime
Combination switch
Key switch
Front door switch LH Combination meter (warning
buzzer)
Vehicle-speed-sensing intermittent
wiper
Combination switch
Combination meter IPDM E/R
Rear window defogger Rear window defogger switch IPDM E/R
Air conditioner switch signal Front air control ECM
Blower fan switch signal Front air control ECM
Low tire pressure warning system Remote keyless entry receiver
Combination meter
Display control unit
Trailer tow (if equipped) Combination switch Trailer turn signal relays
Vehicle security system
Remote keyless entry receiver (keyfob)
Main power window and door lock/unlock switch
Power window and door lock/unlock switch RH
Front door lock assembly LH (key cylinder switch)
All door switches
Back door latch (door ajar switch)
IPDM E/R
Security indicator lamp
System
InputOutput
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BCM (BODY CONTROL MODULE)BCS-9
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Revision: November 2009 2006 QX56
SchematicEKS00D7Y
WKWA5518E
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BCS-10
BCM (BODY CONTROL MODULE)
Revision: November 20092006 QX56
WKWA5519E
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BCM (BODY CONTROL MODULE)BCS-11
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Revision: November 2009 2006 QX56
CONSULT-II Function (BCM)EKS00D7Z
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT–II INSPECTION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. With ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector and turn ignition switch ON.
2. Touch “START (NISSAN BASED VHCL) ”.
3. Touch “BCM” on “SELECT SYSTEM ” screen.
If "BCM" is not indicated, go to GI-40, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
BCM diagnostic
test item Diagnostic mode
Content
Inspection by part WORK SUPPORT
Supports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time. ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results. CAN DIAG SUPPORT MNTR The results of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read. CONFIGURATION Performs BCM configuration read/write functions.
BBIA0369E
BCIA0029E
BCIA0030E
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BCS-12
BCM (BODY CONTROL MODULE)
Revision: November 20092006 QX56
4. Select item to be diagnosed on “SELECT TEST ITEM” screen.
ITEMS OF EACH PART
NOTE:
CONSULT-II will only display systems the vehicle possesses.
LKIA0183E
System and item CONSULT-II
display Diagnostic test mode (Inspection by part)
WORK
SUPPORT SELF−
DIAG
RESULTS CAN DIAG
SUPPORT MNTR DATA
MONITOR ECU
PA R T
NUMBER ACTIVE
TEST CON-
FIGU-
RATION
BCM BCM××× × ×
Power door lock system DOOR LOCK ×× ×
Rear defogger REAR
DEFOGGER ××
Warning chime BUZZER ××
Room lamp timer INT LAMP ×× ×
Remote keyless entry
system MULTI REMOTE
ENT
××
×
Headlamp HEAD LAMP×× ×
Wiper (front/rear) WIPER ×× ×
Turn signal lamp
Hazard lamp FLASHER
××
Blower fan switch signal
Air conditioner switch
signal AIR
CONDITIONER
×
Combination switch COMB SW ×
IVIS (NATS) IMMU ××
Interior lamp battery
saver BATTERY
SAVER
××
×
Back door TRUNK ××
Theft alarm THEFT ALM×× ×
Retained accessory
power control RETAINED PWR
×× ×
Oil pressure switch SIGNAL BUFFER ××
Air pressure monitor AIR PRESSURE
MONITOR××
× ×
Panic alarm PANIC ALARM ×
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BCM (BODY CONTROL MODULE)BCS-13
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Revision: November 2009 2006 QX56
WORK SUPPORT
Operation Procedure
1. Touch "BCM" on "SELECT TEST ITEM" screen.
2. Touch "WORK SUPPORT" on "SELECT DIAG MODE" screen.
3. Touch "RESET SETTING VALUE" on "SELECT WORK ITEM" screen.
4. Touch "START".
5. "RESET SETTING VALUE OK?" is displayed, and touch "YES".
6. The setting will be changed and "COMPLETED" will be displayed.
7. Touch "END".
Display Item List
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)EKS00D80
1. SELF-DIAGNOSTIC RESULT CHECK
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1. Connect to CONSULT –II, and select “BCM” on “SELECT SYSTEM ” screen.
2. Select “BCM” on “SELECT TEST ITEM ” screen, and select “SELF-DIAG RESULTS ”.
3. Check display content in self-diagnostic results.
Contents displayed
No malfunction>>Inspection End
Malfunction in CAN communication system>>After printing the monitor items, go to LAN-26, "
CAN COMMU-
NICATION" .
ItemDescription
RESET SETTING VALUE Return a value set with WORK SUPPORT of each system to a default value in factory shipment.
CONSULT-II display code Diagnosis item
U1000 INITIAL DIAG
TRANSMIT DIAG ECM
IPDM E/R
METER/M&A I-KEY
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BCS-14
BCM (BODY CONTROL MODULE)
Revision: November 20092006 QX56
ConfigurationEKS00D81
DESCRIPTION
CONFIGURATION has two functions as follows:
READ CONFIGURATION is the function to confirm vehicle configuration of current BCM.
WRITE CONFIGURATION is the function to write vehicle configuration on BCM.
CAUTION:
When replacing BCM, you must perform WRITE CONFIGURATION with CONSULT-II.
Complete the procedure of WRITE CONFIGURATION in order.
If you set incorrect WRITE CONFIGURATION, incidents will occur.
Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
READ CONFIGURATION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carries out CAN communication.
1. With ignition switch OFF, connect CONSULT-II and CONSULT-II CONVERTER to data link connector and turn ignition switch ON.
2. Touch “START (NISSAN BASED VHCL) ”.
3. Touch “BCM” on “SELECT SYSTEM ” screen.
If "BCM" is not indicated, go to GI-40, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
BBIA0369E
BCIA0029E
BCIA0030E
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BCM (BODY CONTROL MODULE)BCS-15
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Revision: November 2009 2006 QX56
4. Touch “BCM” on “SELECT TEST ITEM ” screen.
5. Touch “CONFIGURATION ” on “SELECT DIAG MODE ” screen.
6. Touch “JA60” and "OK" on “VEHICLE SELECT ” screen. For
canceling, touch "CANCEL" on "VEHICLE SELECT" screen.
NOTE:
Confirm vehicle model. Refer to GI-47, "
Model Variation" in GI
section.
7. Touch “READ CONFIGURATION ” on “SELECT CONFIG ITEM ”
screen.
LKIA0183E
BCIA0031E
LKIA0606E
LKIA0547E